TesTex NDT India Interview Questions and Answers

Confusion matrix is a table used to describe the performance of a classification model. ROC curve is a graphical representation of the true positive rate against the false positive rate. AUC is the area under the ROC curve.

• Confusion matrix is a 2x2 table that shows the true positive, true negative, false positive, and false negative values of a classification model.

• ROC curve is a plot of the true positive rate (sensitivity) against the false positive rate (1-specificity) at v...read more

I have led and been involved in over 10 data science projects in various industries.

• Led and managed over 10 data science projects from inception to completion

• Collaborated with cross-functional teams to deliver impactful solutions

• Utilized advanced analytics and machine learning techniques to drive business insights

• Examples: Predictive maintenance for manufacturing, customer segmentation for retail

Conflict resolution in day to day tasks

• Active listening and effective communication are key in resolving conflicts

• Identify the root cause of the conflict and address it directly

• Collaborate with all parties involved to find a mutually beneficial solution

• Maintain professionalism and remain calm during conflict resolution

• Document the conflict resolution process for future reference

The strength of evidence in clinical trials is determined by various factors.

• The strength of evidence in clinical trials depends on the study design and methodology.

• Randomized controlled trials (RCTs) are considered to provide the strongest evidence.

• Large sample sizes and long follow-up periods enhance the strength of evidence.

• Blinding and placebo control help minimize bias and increase the reliability of results.

• Meta-analyses and systematic reviews of multiple trials can pro...read more

Clinical trials are research studies that test the safety and effectiveness of new medical treatments or interventions.

• Clinical trials are conducted to gather data on the safety and efficacy of new drugs, medical devices, or treatment methods.

• There are several types of clinical trials, including phase 1, phase 2, phase 3, and phase 4 trials.

• Phase 1 trials involve a small number of healthy volunteers and focus on determining the safety and dosage of a new treatment.

• Phase 2 tri...read more

Real world evidence refers to data collected outside of clinical trials to evaluate the safety and effectiveness of medical interventions.

• Real world evidence is collected from sources such as electronic health records, claims databases, and patient registries.

• It provides insights into how treatments work in real-world settings and can help inform clinical decision-making.

• Examples of real world evidence include studies that analyze the effectiveness of a drug in a large popula...read more